Absolutely, Positively the MOST Corrosion Resistant Drum Brake PERIOD! The GalvX system is composed of inorganic polymers which bond metallic zinc flakes to the metal surface. Aluminum wheel cylinder, Stainless steel springs. Brake pads are bonded and riveted with bronze rivets to backing plate. Brake pads are bonded and riveted with bronze rivets to backing plate. Superior saltwater performance over standard drum brakes. The drum replacement parts kit includes springs, adjsuter tool, brass hardware and hardware for the backing plate.